Quantum engineers have now demonstrated a fully controllable three‑qubit register on a silicon photonic chip, turning a ...

Rigetti Computing, Inc. (Nasdaq: RGTI) (“Rigetti” or the “Company”), a pioneer in full-stack quantum-classical computing, ...

We might be witnessing the start of a new computing era where AI, cloud and quantum begin to converge in ways that redefine ...

Most quantum companies use a superconducting approach. However, IonQ instead uses a trapped ion approach. Trapped ion is more ...

Quantum computing is also a capital-intensive endeavor. IonQ reported research and development costs of $62.9 million in its ...

Researchers at Kumamoto University, in collaboration with colleagues in South Korea and Taiwan, have discovered that a unique ...

After the applied mathematician Peter Shor, then at Bell Labs in New Jersey, showed that a quantum algorithm could, in theory ...

Rigetti Computing 's ( RGTI 0.48%) stock closed at a record high of $56.34 per share on Oct. 15, 2025. That marked a 6,850% ...

Amplifier’s ability to operate at frequencies greater than 20 gigahertz provides path forward for more scalable quantum ...

DARPA's HARQ program aims to enable different qubit types to work together, addressing the limitations of single-architecture ...

Add UBS to the growing number of Wall Street firms paying attention to quantum computing stocks. UBS says IBM and Google bear ...

The 11-qubit silicon processor marks a significant advancement in quantum computing, combining high fidelity with scalable ...